CREATE TABLE TOYCREATOR( ToyID NUMBER(10) FOREIGN KEY REFERENCES TOYS(ToyID), CreatorID NUMBER(4) FOREIGN KEY REFERENCES
Posted: Fri Jul 08, 2022 6:38 am
CREATE TABLE TOYCREATOR(
ToyID NUMBER(10) FOREIGN KEY REFERENCES TOYS(ToyID),
CreatorID NUMBER(4) FOREIGN KEY REFERENCESCREATOR(CreatorID)
);
Please will you explain how we can write the above statementsusing the CONSTRAINT statement on the foeign keys as well as whenwe use NULL and NOT NULL.
ToyID NUMBER(10) FOREIGN KEY REFERENCES TOYS(ToyID),
CreatorID NUMBER(4) FOREIGN KEY REFERENCESCREATOR(CreatorID)
);
Please will you explain how we can write the above statementsusing the CONSTRAINT statement on the foeign keys as well as whenwe use NULL and NOT NULL.